Trying better CI.

.github/workflows/build.yaml

@@ -6,21 +6,41 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
+  formatting:
+    name: Check formatting
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install stable toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          components: rustfmt
+      - name: Rustfmt check
+        uses: actions-rust-lang/rustfmt@v1
+
   build:
+    name: Check build
+    needs: formatting
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
 
       - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
+        uses: actions-rust-lang/setup-rust-toolchain@v1
 
       - name: Build sources
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --release
+        run: cargo check --release
+
+  test:
+    name: Check tests
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Install stable toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+
+      - name: Run tests
+        run: cargo test --verbose